From the Centers for Disease Control and Prevention. Evaluation of HIV case surveillance through the use of non-name unique identifiers--Maryland and Texas, 1994-1996.
D003153:Community Health Services; D018563:Disease Notification; D015658:HIV Infections / Q000453:epidemiology*; D006801:Humans; D008396:Maryland / Q000453:epidemiology; D011159:Population Surveillance; D011635:Public Health Administration; D013781:Texas / Q000453:epidemiology